Indicator.



M. 0. KUHN & H. C. SHOOLBRED.

INDICATOR.-

APPLICATION FILED JAN 28, 1916. 1,218,281 Patented Mar. 6, 1917.

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INDICATOR.

APPLICATION men 1mm, 191s.

Patented Mar. 6, 1917.

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MAX 0. KUHN AND HAROLD C. SHOOLBRED, 0F MONTREAL, QUEBEC, CANADA,ASSIGN- ORS OF ONE-THIRD TO AGNES M. SHOOLBRED, OF MONTREAL, QUEBEC,CANADA.

INDICATOR.

To all whom it may concern:

Be it known that we, MAX 0. KUHN, a German subject, and HAROLD C.SHOOLBRED,

a British subject, citizens of Germany and Canada, respectively,residing at Montreal,

in the Province of Quebec and Dominion of Canada, have invented certainnew and use' ful Improvements in Indicators; and we do hereby declarethe following to be a full,

clear, and exact description of the inven tion, such as will enableothers skilled in the art to which it appertains to make and use thesame.

This invention relates to indicators and the primary object of theinvention is to provide an indicator which may be mounted upon streetcars, railway cars or the like, and is adapted foracquaintingpedestrians or Wheel traflic of the approach of a second carfrom the opposite direction to which the car upon which the indicator ismounted is traveling.

Another object of this invention is to provide an indicator asspecified, which includes a magnet carried by the front end of the carand a bar movably carried by the car and extending rearwardly from thefront end of the car and being positioned in spaced relation to themagnet, which bar is adapted for being acted upon by a magnet of a carpassing the car upon which it is mounted for operating a signal.

The indicator may be used upon street or railway cars, or bylocomotives, for indicating the approach of a train, when the bar ismovably mounted alongside of the track or for any other analogouspurposes.

With the foregoing and other objects in view this invention consists insuch novel features of construction, combination and arrangement ofparts as will be hereinafter more fully described, illustrated in theaccompanying drawings and claimed,

In describing the invention in detail reference will be had 'to theaccompanying drawings wherein like characters designate like andcorresponding parts throughout the several views, and in which Figure lis a side elevation of a street railway car showing the inventionapplied thereto.

Fig. 2 is an end view of a railway car.

Fig. 3 is a fragmentary plan view of a Specification of Letters Patent.

Patented Mar. 6, 1917.

Application filed January 28, 1916. Serial No. 74,917.

I indicator.

Fig. 5 is a diagrammatic View of the circuit used in the operation ofthe signal.

Fig. 6 is an end view of a car showing a modified form of indicatorattached thereto.

Fig. 7 is a sectional view on the line 7-7 of Fig. 6, showing the mannerof operating the modified form of signal or indicator.

Fig. 8 is a. fragmentary elevation of the .rear end of a street railwaycar showing another modified form of the indicator applied thereto, anda Fig. 9 is a perspective view of the modified form of indicator orsignal illustrated in Fig. 8 and showing the manner of operating thesame.

Referring more particularly to the drawings, 1 designates an ordinarystreet railway car as an entirety, which has an electrical magnet 2attached to and suspended from the under surface of the front end of thefloor of'the car, as clearly shown-in Fig. 1 of the drawings. The car 1has a bar 3 pivotally connected thereto as is shown at 4, which bar isconstructed of iron, steel or other metal,'which is acted upon bymagnetic energy of a magnet.

A plurality of spiral springs 5 are connected to the bar 3 and todepending brackets 6. The springs 5 automatically return the bar 3 toits normal position after it has been acted upon and moved outwardly asindicated in dotted lines in Fig. 2, by the action of amagnet carried bya. second car which'ispassing the car upon which the bar 3 is mounted.

The bar 3 has. an arm 7 connected thereto, which is constructed of anysuitable nonconducting material and has a contact 8 car- 'ried by theupper end of the same which is adapted for engagement with the contact 9carried by the car structure. The contact 9 is interposed in theelectrical circuit, utilized for operating the signal or indicatorgenerically indicated by the numeral 10. The circuit 11 which isutilized for operating the signal 10, is normally broken at the contactpoint 9, so that when the contact 8 is moved into engagement with theContact or switch 9, the circuit is completed which permits the currentto flow from the battery 12, through a light bulb indicated at 13, asolenoid 14 and a bell or buzzer 15, back through the contacts or switch9 to the battery as shown in Fig. 5 of the drawings. The preferred formof the signaling mechanism 10, includes a housing or casing 20 which isattached to the rear end of the car 1 and has a transparent window orwindows indicated at 21 and 22 formed in the outer visible side 23 ofthe same. The'transparent windows 21 and 22 may have any suitablecharacters printed thereon, such as Stop, Car coming or the like whichwill be painted or printed on the transparent window so as to be visiblein the day time. The front side 23 of the casing 20 has a pair ofshutters 24 and 25 pivotally connected thereto, as is shown at 26, whichshutters normally cover and hide the transparent windows or panes 21 and22. The shutters 24 and 25 have angle arms 27 connected thereto, whichare connected through the medium of links 28 to the cores 29 ofsolenoids one of which is indicated by the numeral 14 in the circuitillustrated in Fig. 5. Incandescent light bulbs 31 are also carried bythe casing 20 rearwardly of the transparent panes or windows 21 and 22,and they are also interposed in the same circuit with the solenoids. Thecasing 20 has a cowl 33 formed upon its upper end in which a bell 34 ismounted. The bell clapper 35 is operated by the usual electricallyoperated construction 36 which is positioned interiorly of the housing20 and the bell operating structure 36 is also connected in the circuit11. When a second car is approaching the car upon which the improvedsignal and bar 8 is mounted, the magnet 2 carried by the approaching carwill attract the bar 8, moving it outwardly as indicated in dotted linesin Fig. 2 of the drawings, which will move the contact 8 into engagementwith the contact 9 and close the circuit through the battery 12, light31, solenoid 30 and bell operating structure 36. When the circuit isclosed through the solenoid 30, it will act upon the central cores 29,moving them for raising the shutters 24 and 25 into a horizontalposition and permit of the eX- hibiting of the transparent pane 22 uponwhich a warning signal is printed. Simultaneously with the raising ofthe shutters 24 and 25, the light 31 will be ignited and the bellstructure operated for sounding a signal for attracting the attention ofpedestrians. or wheel trafiic.

In Figs. 6 and 7 of the drawing, a modified form of the signal orindicator is shown, which comprises a hingedly supported plate 40 whichcarries the sign or warnings. The plate 40 has an angle lever 41connected thereto, which has a slot and pin connection indicated at 42with a link 43 which is connected to the core 44 of a solenoid 45. llhesolenoid 45 is operated upon the closing of a circuit through thecontact 9 for swinging the plate 40 outwardly in the position asindicated in dotted lines in Fig. 7 of the drawings. Coil springs 46 areconnected to the hinged plate 40 and automatically return it to itsnormal inoperative position when the circuit is broken through thecontact 9.

In Figs. 8 and 9, still another modified form of the signal or indicatoris shown, which comprises a plate 50 which has an ear 51 formed upon itslower corner by means of which ear the plate is pivotally connected to acar structure. An angle arm 53 is connected to the car 51 and has a slotand pin connection with a bar 54, which bar is in turn connected to thecentral core 55 of the solenoid 56, so that upon operation of thesolenoid the plate 50 will be operated for movement into or out ofoperative eXhibitive position.

If it is so desired, the indicator at the back of the car may beoperated either by electric transmission or directly, from the movablebar, without departing from the spirit of the invention, and also themagnet in the bar may be adjusted underneath, at one side of, or on topof the car as desired by the person installing the improved indicator.

From the foregoing description taken in connection with the accompanyingdrawings the advantages of construction and of the method of operationof the improved indicator will be readily apparent to those skilled inthe art to which this invention appertains and, while in the foregoingdescription, the principle of the operation of this invention has beendescribed together with various features of construction, it is to beunderstood that certain minor features of construction, combination andarrangement of parts may be altered to suit practical conditionsprovided such alterations are comprehended within the scope of what isclaimed.

What is claimed is:-

1. In an indicator structure, the combination, with a movable car body,a movable bar carried by the car body and adapted for movement underattraction of a magnet carried by a second car, a signal normally beingin a non-signaling condition, and means operatively connected to saidbar for operating said signal upon attracted movement of said bar.

2. In an indicator structure, the combination with a movable car body, amovable bar carried by the car body and adapted for movement underattraction of a magnet carried by a second car, a signal carried by thecar and normally being in a non-signaling position, means operativelyconnected to said bar for operating said signal upon attracted movementof said bar and means for automatieally returning said bar to its normalposition upon removal or" magnetic attrac tion therefrom.

3. In an indicator structure, the combination With a movable car body, amovable bar carried by said car body and adapted for movement underattraction of a magnet carried by a second car, a signal carried by saidcar and normally being in a non-signal- 10 ing condition, electricalmeans for operating said signal, and means for operating said electricalmeans upon attracted movement of said bar.

In testimony whereof We affix our signatures in presence of tWoWitnesses.

MAX 0. KUHN. HAROLD C. SHOOLBRED. Witnesses:

J. O. HEBERT, N. W. PARKER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

